Area Forecast Discussion
Issued by NWS Oklahoma City, OK

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FXUS64 KOUN 071746
AFDOUN

Area Forecast Discussion
National Weather Service Norman OK
1146 AM CST Sat Dec 7 2019

.DISCUSSION...


&&

.AVIATION...
South wind will gust today and the west and then this evening and
overnight in central and eastern Oklahoma while a surface low
approaches western Oklahoma and winds decrease and veer to west.
Low clouds and fog may affect parts of central Oklahoma, including
OUN, OKC, and especially PNC around or afternoon sunrise Sunday.

&&

.PREV DISCUSSION... /issued 500 AM CST Sat Dec 7 2019/

DISCUSSION...
12Z TAF discussion below.

AVIATION...
VFR conditions expected this TAF period with high clouds streaming
across portions of the area. Light winds will increase from the
south today.

PREV DISCUSSION... /issued 405 AM CST Sat Dec 7 2019/

DISCUSSION...
South winds will return by this afternoon as a lee low deepens
over SE CO. A LLJ will develop overnight and with it will come
warmer temps and low level moisture. Stratus should spread
northward along and east of I-35 by early Sun morning although it
should be brief as 850 flow veers ahead of an approaching front.
Above avg temps in the 60s and 70s will be possible within this
downslope flow Sun afternoon.

Cirrus will begin to increase late Sun through Mon as a long fetch
of upper moisture extends from the northern Baja into the midwest,
with an elongated mid to upper trough axis swinging through the
southern Rockies. Enough moisture and lift will be present near
the Red River by late Mon behind the cold front, although it
appears winter precip chances will remain low based on the timing
of the coldest air. The moisture and lift quickly shift
southeastward after 12Z Tue and clearing skies should result in a
fairly cold morning from I-40 northward. Some locations will drop
into the upper teens across NW OK with a ~1025 mb high parking
over OK and west OK.

Temps should remain near or just below average through the rest of
the week. There is slightly better agreement in the extended
forecast, with a pair of shortwave troughs now advertised Thu
somewhere over the plains and lee of the Rockies. Right now, it
appears too dry in the mid levels for any precip late this week
with the southern wave although cirrus will be streaming overhead
on and off.

&&

.PRELIMINARY POINT TEMPS/POPS...
Oklahoma City OK  56  43  63  47 /   0   0   0   0
Hobart OK         55  39  66  46 /   0   0   0   0
Wichita Falls TX  59  44  72  53 /   0   0   0   0
Gage OK           60  34  62  37 /   0   0   0   0
Ponca City OK     55  39  59  41 /   0   0   0  10
Durant OK         60  43  67  55 /   0   0   0   0

&&

.OUN WATCHES/WARNINGS/ADVISORIES...
OK...None.
TX...None.
&&

$$

09/01/09


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